Analysis
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max time kernel
149s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2024 04:25
Static task
static1
Behavioral task
behavioral1
Sample
f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe
Resource
win10v2004-20240508-en
General
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Target
f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe
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Size
4.1MB
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MD5
d7d147cfa65fd2d6347d667ca24ee34a
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SHA1
0534a2c89750d3d1ba3620cba6bf0b2bbae69215
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SHA256
f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8
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SHA512
faecf35812edf851110b9f7f2710437460d8173187342a5437d752ce690798c55b21689bd6d67c7dc1bb26a0d3cb20350e077a11ea57b7f7f6fed2213d7868e4
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SSDEEP
98304:J96GAmuNBigEkoqfZTwC6uGlBZNljS4jc9:JI9hoq9wC6uGlB/xg9
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2648-2-0x0000000002D90000-0x000000000367B000-memory.dmp family_glupteba behavioral1/memory/2648-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4904-56-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral1/memory/2648-80-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2648-82-0x0000000002D90000-0x000000000367B000-memory.dmp family_glupteba behavioral1/memory/4904-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2936-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2936-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2936-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2936-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2936-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2936-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2936-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2936-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2936-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2936-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2936-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2936-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2936-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4280 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2936 csrss.exe 1688 injector.exe 4464 windefender.exe 4400 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002341c-220.dat upx behavioral1/memory/4464-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4400-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4464-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4400-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4400-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3892 sc.exe -
pid Process 4148 powershell.exe 4316 powershell.exe 1932 powershell.exe 2676 powershell.exe 1288 powershell.exe 3228 powershell.exe 3520 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3172 schtasks.exe 4256 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3520 powershell.exe 3520 powershell.exe 2648 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 2648 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 4148 powershell.exe 4148 powershell.exe 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 4316 powershell.exe 4316 powershell.exe 1932 powershell.exe 1932 powershell.exe 2676 powershell.exe 2676 powershell.exe 1288 powershell.exe 1288 powershell.exe 3228 powershell.exe 3228 powershell.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 2936 csrss.exe 2936 csrss.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 2936 csrss.exe 2936 csrss.exe 1688 injector.exe 1688 injector.exe 2936 csrss.exe 2936 csrss.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3520 powershell.exe Token: SeDebugPrivilege 2648 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Token: SeImpersonatePrivilege 2648 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Token: SeDebugPrivilege 4148 powershell.exe Token: SeDebugPrivilege 4316 powershell.exe Token: SeDebugPrivilege 1932 powershell.exe Token: SeDebugPrivilege 2676 powershell.exe Token: SeDebugPrivilege 1288 powershell.exe Token: SeDebugPrivilege 3228 powershell.exe Token: SeSystemEnvironmentPrivilege 2936 csrss.exe Token: SeSecurityPrivilege 3892 sc.exe Token: SeSecurityPrivilege 3892 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2648 wrote to memory of 3520 2648 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 87 PID 2648 wrote to memory of 3520 2648 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 87 PID 2648 wrote to memory of 3520 2648 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 87 PID 4904 wrote to memory of 4148 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 98 PID 4904 wrote to memory of 4148 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 98 PID 4904 wrote to memory of 4148 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 98 PID 4904 wrote to memory of 1740 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 101 PID 4904 wrote to memory of 1740 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 101 PID 1740 wrote to memory of 4280 1740 cmd.exe 103 PID 1740 wrote to memory of 4280 1740 cmd.exe 103 PID 4904 wrote to memory of 4316 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 104 PID 4904 wrote to memory of 4316 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 104 PID 4904 wrote to memory of 4316 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 104 PID 4904 wrote to memory of 1932 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 107 PID 4904 wrote to memory of 1932 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 107 PID 4904 wrote to memory of 1932 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 107 PID 4904 wrote to memory of 2936 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 109 PID 4904 wrote to memory of 2936 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 109 PID 4904 wrote to memory of 2936 4904 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 109 PID 2936 wrote to memory of 2676 2936 csrss.exe 110 PID 2936 wrote to memory of 2676 2936 csrss.exe 110 PID 2936 wrote to memory of 2676 2936 csrss.exe 110 PID 2936 wrote to memory of 1288 2936 csrss.exe 116 PID 2936 wrote to memory of 1288 2936 csrss.exe 116 PID 2936 wrote to memory of 1288 2936 csrss.exe 116 PID 2936 wrote to memory of 3228 2936 csrss.exe 118 PID 2936 wrote to memory of 3228 2936 csrss.exe 118 PID 2936 wrote to memory of 3228 2936 csrss.exe 118 PID 2936 wrote to memory of 1688 2936 csrss.exe 120 PID 2936 wrote to memory of 1688 2936 csrss.exe 120 PID 4464 wrote to memory of 1592 4464 windefender.exe 127 PID 4464 wrote to memory of 1592 4464 windefender.exe 127 PID 4464 wrote to memory of 1592 4464 windefender.exe 127 PID 1592 wrote to memory of 3892 1592 cmd.exe 129 PID 1592 wrote to memory of 3892 1592 cmd.exe 129 PID 1592 wrote to memory of 3892 1592 cmd.exe 129 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe"C:\Users\Admin\AppData\Local\Temp\f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2648 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3520
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C:\Users\Admin\AppData\Local\Temp\f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe"C:\Users\Admin\AppData\Local\Temp\f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4904 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4148
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:4280
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4316
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1932
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2936 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2676
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3172
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1492
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1288
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3228
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1688
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4256
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4464 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:1592 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:3892
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4400
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b5e72627352ad4dd0330a5b40204ebc6
SHA1229e284ee520a8014b5e3f3110c2aa0facf36b72
SHA256c5a458340035ec670dafb46c8bb33a14f7d525f1acea91500ca473408c371857
SHA51214863c24962f03bc0e5a0213260b4123fcadeab9536539d3239ac693c8fdffd21fb2c38c4a620f97ad56628d4f8f4fa4d31ce08f67b7ad4aa44afc55e1090502
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f2f5000d2c4377fc3242568b8469b8ae
SHA126ee8b61bc8cb99f35d728a9d3d5877bf6d0d08a
SHA25694c6f2e14ad3926995f9e3375e300f80b29ef923b89135fefb2fc710389ce56a
SHA512dfbab1d0317ad196d67c3cdc90a8ee8e988e29e4f5da02b9b78302f7643ec6c0957e62c147cae59fbbc96cf2364268b70eecff5c58e8e7b01fd32249a2d5b329
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c9129abe468088adc89aecc25f8d1f3e
SHA137c227785d9191575d59e48ebb014e5c49983e4c
SHA2560a96759b1cd68cdb4d414d2bd8964393a568f97f838ea400f6084cdc7b99af67
SHA51213d57d58012973225a53fadb0aae4c2ed97a301871d537ae785abfa89aa95cdf0e04df1fdc788ec7b394375b48c52ff1540fc5475e599c9df46dd1fe9a047052
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50b169ba92cd5f1791540901eb203d8a9
SHA1f644958306a43b659d9daf1c5ade022cbda23632
SHA2562664ef35e3b3c8ab68eb7051abb46deb8c3c415c53bbcd742711931f40072f49
SHA512c5a1070866d209f4b96252cdf383adea0b69977c44b28eecf76f9870704665fe9e0f87cf5ac114934184f0fdd098ea4a53fadf5fb6d4178dcb18aa0ec57f281d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cc03c9ace7e9a28e57c6f68b32c0507d
SHA1174db2ee45d0e09cda1c10293ee87cbbe50faea5
SHA25608cdc5968c8f3e91f435c2e10b461796c77f66c5a31c17567706ae0a02dd1d67
SHA512e59303530c152cd542c7852ee0e10e53695208077d756d86b2cadfaef338a19e51ef2246ce8c0b06c9146ce97844cf1cbdf95ba1fbadcd156a4b5813c69d4446
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Filesize
4.1MB
MD5d7d147cfa65fd2d6347d667ca24ee34a
SHA10534a2c89750d3d1ba3620cba6bf0b2bbae69215
SHA256f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8
SHA512faecf35812edf851110b9f7f2710437460d8173187342a5437d752ce690798c55b21689bd6d67c7dc1bb26a0d3cb20350e077a11ea57b7f7f6fed2213d7868e4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec